نتایج جستجو برای: t virens and t atroviride
تعداد نتایج: 16954422 فیلتر نتایج به سال:
The grapevine trunk diseases (GTD) Botryosphaeria dieback and esca threaten the sustainability of industry worldwide. This study aimed to evaluate compare efficacy various liquid (pyraclostrobin + boscalid thiophanate methyl) paste (paste tebuconazole) formulation fungicide treatments as well biological control agents (Trichoderma atroviride SC1 T. I-1237), for their potential prevent infection...
The diversity of Trichoderma spp. was investigated in alkaline soils of pistachio orchards at different geographic areas in Kerman province, Iran. A total of 161 Trichoderma isolates were obtained and identified at the species level by their morphological characters and sequence analysis of their internal transcribed spacer (ITS) and tef1-α genomic regions. Totally, five species of Trichoderma ...
در طی مطالعه درباره بیماری ریزوکتونیایی سیب زمینی در سال 1385، از مزارع و انبارهای سیبزمینی استانهای همدان و کردستان، پنجاه جدایه با مشخصات قارچ Rhizoctonia. solani از ساقه و ریشه و هشت جدایه از سختینه های موجود در سطح غده ها جداسازی شد. بعد از رنگ آمیزی هسته و بررسی های فیزیولوژیکی، تمام جدایه های تحت مطالعه با عنوان گونۀ R. solani شناسایی شدند. برای تعیین گروههای آناستوموزی جدایهها،...
Rostami A, Sadravi M, Rezaei R, Abdollahi M (2020) Biological control of Fusarium root rot of bean with two Trichoderma species and Pseudomonas fluorescens. Plant Pathology Science 9(2): 14-27. Doi: 10.2982/PPS.9.2.14 Introduction: Fusarium root rot with damage reported up to 85% of the crop yield, caused by Fusarium solani f. sp. phaseoli, is one of the most important bean diseases in the...
A marine Ascidian-associated fungus, Trichoderma harzianum, (NIO/BCC2000-51) was assessed for its in vitro antagonistic activity against ten fungal phytopathogens and three food-infesting fungi. Fractionation of the cell-free culture filtrate of T. harzianum (NIO/BCC2000-51) showed its ethyl acetate (EA) fraction to be significantly active against fungal phytopathogens; Macrophomina sp, Pyricul...
در این پژوهش چهار جدایه trichoderma virens از نظر میزان فعالیت آنزیمی بتا 1و3 گلوکانازی و همچنین کنترل کنندگی بیماری بوته میری خیار (phytophthora drechsleri) در شرایط گلخانه و آزمایشگاه بررسی شدند. . برای بررسی فعالیت آنتاگونیستی جدایههای فوق، آزمایشهای گوناگونی به کمک روش متقابل و آزمون اثر مواد فرار انجام گرفت. همچنین اثر ph (3، 5، 7، 8 و 9) و دما (5، 15، 20، 25، 30 و 40 درجه سانتیگراد)...
in western canada, durum wheat cultivars (triticum durum) have low to moderate lev-els of seed dormancy and are susceptible to pre-harvest sprouting. the aim of this study was to evaluate the dormancy level of canadian durum wheat cultivars and to identify tetraploid wheat accessions with elevated levels of seed dormancy. first, the level of seed dormancy and length of after-ripening of 17 nort...
understanding the function of trichoderma species in the control of phytophthora drechsleri in pistachio orchards is very important. in this study, the effects of liquid extra-cellular secretions and volatile compounds secreted by 27 isolates of trichoderma harzianum, t. crassum, t. koningii, t.aureoviride, t. asperellum, t. brevicompactum, t.longibrachiatum and t. virens were investigated on ...
Abstract Background Early blight disease of tomato caused by pathogenic fungi Alternaria solani is the most significant and common throughout world as well in Kingdom Saudi Arabia. The aim this study was to isolate identify native Trichoderma species from Jeddah region Arabia; evaluate their antagonistic potential against A. ; influence early severity greenhouse open field. Results present focu...
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